Predictors of successful recanalization following endovascular intervention in non-acute basilar artery occlusion

ObjectiveThis study aims to identify factors influencing successful recanalization following endovascular intervention for non-acute basilar artery occlusion (NABAO).BackgroundEndovascular treatment (EVT) is a feasible approach for treating non-acute basilar artery occlusion, but it presents signifi...

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Main Authors: Ying Liu, Zuoli Wu, Shengwei Wei, Wenbo He, Weihao Ye, Shang Xu, Baozi Huang, Chao Qin, Wen Gao, Ziming Ye
Format: Article
Language:English
Published: Frontiers Media S.A. 2025-04-01
Series:Frontiers in Neurology
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Online Access:https://www.frontiersin.org/articles/10.3389/fneur.2025.1496852/full
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author Ying Liu
Zuoli Wu
Zuoli Wu
Shengwei Wei
Wenbo He
Weihao Ye
Shang Xu
Baozi Huang
Chao Qin
Wen Gao
Ziming Ye
author_facet Ying Liu
Zuoli Wu
Zuoli Wu
Shengwei Wei
Wenbo He
Weihao Ye
Shang Xu
Baozi Huang
Chao Qin
Wen Gao
Ziming Ye
author_sort Ying Liu
collection DOAJ
description ObjectiveThis study aims to identify factors influencing successful recanalization following endovascular intervention for non-acute basilar artery occlusion (NABAO).BackgroundEndovascular treatment (EVT) is a feasible approach for treating non-acute basilar artery occlusion, but it presents significant technical challenges due to the lack of standardized treatment protocols. Therefore, identifying patients most likely to benefit is critical to minimizing procedural risks.MethodsA retrospective analysis was conducted on 115 patients with NABAO treated via EVT. Factors associated with successful recanalization, including clinical symptoms, demographic characteristics, procedural outcomes, and imaging findings, were analyzed using multivariate analysis. A scoring system was developed based on independent predictors.ResultsSuccessful recanalization (defined as modified Thrombolysis in Cerebral Infarction [mTICI] ≥2b) was achieved in 81.7% (94/115) of cases. Multivariate analysis revealed that occlusion duration >3 months (odds ratio [OR]: 0.187, 95% confidence interval [CI]: 0.051–0.688, p = 0.012), blunt-shaped occlusion ends (OR: 0.236, 95% CI: 0.072–0.777, p = 0.018), occlusion length > 30 mm (OR: 0.144, 95% CI: 0.031–0.669, p = 0.013), and insufficient or absent distal compensation (OR: 0.25, 95% CI: 0.075–0.835, p = 0.024) were independent predictors of reduced technical success. The receiver operating characteristic (ROC) curve index for the scoring system, based on these independent predictors, was 0.817 (95% CI: 0.698–0.936, p < 0.001), with a sensitivity of 71.4% and a specificity of 85.4% at a cutoff of 2.5 points.ConclusionLonger occlusion duration (>3 months), blunt-shaped occlusion ends, occlusion length > 30 mm, and insufficient distal collateral compensation are independent negative predictors for successful recanalization in patients with NABAO treated via EVT. The proposed scoring system can help screen patients suitable for treatment and optimize treatment strategies, but further validation in prospective cohorts is needed.
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spelling doaj-art-47f54a2c37064f1db8d543ff297ab75b2025-08-20T01:53:49ZengFrontiers Media S.A.Frontiers in Neurology1664-22952025-04-011610.3389/fneur.2025.14968521496852Predictors of successful recanalization following endovascular intervention in non-acute basilar artery occlusionYing Liu0Zuoli Wu1Zuoli Wu2Shengwei Wei3Wenbo He4Weihao Ye5Shang Xu6Baozi Huang7Chao Qin8Wen Gao9Ziming Ye10Department of Rehabilitation Medicine, The Second Affiliated Hospital of Guangxi Medical University, Nanning, ChinaDepartment of Neurology, The First Affiliated Hospital of Guangxi Medical University, Nanning, ChinaJiangbing Hospital, Guangxi Zhuang Autonomous Region, Nanning, Guangxi, ChinaDepartment of Neurology, The First Affiliated Hospital of Guangxi Medical University, Nanning, ChinaDepartment of Neurology, The First Affiliated Hospital of Guangxi Medical University, Nanning, ChinaDepartment of Neurology, The First Affiliated Hospital of Guangxi Medical University, Nanning, ChinaDepartment of Neurology, The First Affiliated Hospital of Guangxi Medical University, Nanning, ChinaDepartment of Neurology, The First Affiliated Hospital of Guangxi Medical University, Nanning, ChinaDepartment of Neurology, The First Affiliated Hospital of Guangxi Medical University, Nanning, ChinaDepartment of Neurology, Liuzhou People's Hospital Affiliated to Guangxi Medical University, Liuzhou, Guangxi, ChinaDepartment of Neurology, The First Affiliated Hospital of Guangxi Medical University, Nanning, ChinaObjectiveThis study aims to identify factors influencing successful recanalization following endovascular intervention for non-acute basilar artery occlusion (NABAO).BackgroundEndovascular treatment (EVT) is a feasible approach for treating non-acute basilar artery occlusion, but it presents significant technical challenges due to the lack of standardized treatment protocols. Therefore, identifying patients most likely to benefit is critical to minimizing procedural risks.MethodsA retrospective analysis was conducted on 115 patients with NABAO treated via EVT. Factors associated with successful recanalization, including clinical symptoms, demographic characteristics, procedural outcomes, and imaging findings, were analyzed using multivariate analysis. A scoring system was developed based on independent predictors.ResultsSuccessful recanalization (defined as modified Thrombolysis in Cerebral Infarction [mTICI] ≥2b) was achieved in 81.7% (94/115) of cases. Multivariate analysis revealed that occlusion duration >3 months (odds ratio [OR]: 0.187, 95% confidence interval [CI]: 0.051–0.688, p = 0.012), blunt-shaped occlusion ends (OR: 0.236, 95% CI: 0.072–0.777, p = 0.018), occlusion length > 30 mm (OR: 0.144, 95% CI: 0.031–0.669, p = 0.013), and insufficient or absent distal compensation (OR: 0.25, 95% CI: 0.075–0.835, p = 0.024) were independent predictors of reduced technical success. The receiver operating characteristic (ROC) curve index for the scoring system, based on these independent predictors, was 0.817 (95% CI: 0.698–0.936, p < 0.001), with a sensitivity of 71.4% and a specificity of 85.4% at a cutoff of 2.5 points.ConclusionLonger occlusion duration (>3 months), blunt-shaped occlusion ends, occlusion length > 30 mm, and insufficient distal collateral compensation are independent negative predictors for successful recanalization in patients with NABAO treated via EVT. The proposed scoring system can help screen patients suitable for treatment and optimize treatment strategies, but further validation in prospective cohorts is needed.https://www.frontiersin.org/articles/10.3389/fneur.2025.1496852/fullnon-acute basilar artery occlusionendovascular interventionrecanalizationpredictorsocclusion lengthcollateral compensation
spellingShingle Ying Liu
Zuoli Wu
Zuoli Wu
Shengwei Wei
Wenbo He
Weihao Ye
Shang Xu
Baozi Huang
Chao Qin
Wen Gao
Ziming Ye
Predictors of successful recanalization following endovascular intervention in non-acute basilar artery occlusion
Frontiers in Neurology
non-acute basilar artery occlusion
endovascular intervention
recanalization
predictors
occlusion length
collateral compensation
title Predictors of successful recanalization following endovascular intervention in non-acute basilar artery occlusion
title_full Predictors of successful recanalization following endovascular intervention in non-acute basilar artery occlusion
title_fullStr Predictors of successful recanalization following endovascular intervention in non-acute basilar artery occlusion
title_full_unstemmed Predictors of successful recanalization following endovascular intervention in non-acute basilar artery occlusion
title_short Predictors of successful recanalization following endovascular intervention in non-acute basilar artery occlusion
title_sort predictors of successful recanalization following endovascular intervention in non acute basilar artery occlusion
topic non-acute basilar artery occlusion
endovascular intervention
recanalization
predictors
occlusion length
collateral compensation
url https://www.frontiersin.org/articles/10.3389/fneur.2025.1496852/full
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